Banking System Help me!

Question

how do u write the codes for this program? i'm beginners plz help me!
Develop a banking system using object-oriented programming. The system will have a bank object, and customer objects.
The details of the classes and their operations are as shown below:
Classes Required:
1. Class Bank (startup class)
2. Class Customer
3. Class FixCustomer and Class SavingCustomer
Details of each class:
Class Bank:
Attributes - Information about the customer:
     a. Total number of customers registered (i.e. use an array to hold an array of customer objects)
Behaviour - Bank's operations:
     a. Show Customer's balance
     b. Calculate & show Customer's interest
     c. Update customer's balance (e.g. after withdraw or deposit)
This is the startup class. Create an interface that allows a potential customer to register. Also, an interface for registered user to access his/her account.
Class Customer:
Attributes - Information about a customer:
     a. Customer Name
     b. Customer Account number
     c. Customer Address
     d. Customer Phone Number
     e. Customer Job
     f. Customer Balance
Behaviour - Customer's actions:
     a. Check account information (e.g. Balance )
     b. Withdraw
     c. Deposit
     d. Transfer (i.e. transferring credits from one user account to another)
*Interest value for saving-account (Interest 5%), and fix-account (Interest 7%). These different interest values are declared in the SavingCustomer and FixCustomer classes.

Answer 1

Do it yourself!
If you want someone else to do it, offer some money :)